Write an equation that represents this function. The output is five less than twice the input

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Need same math paper but the back now i hope your able to read it cleary i need with hw

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.